This article recounts my experience of developing as a teacher leader in Philadelphia. When I worked at a traditional high school, a hierarchical leadership structure frustrated my attempts to foster teacher leadership among colleagues. By building networks of teachers outside my own school, I found the relationships and opportunities that helped…

This paper examines the demands on teachers' knowledge, attitudes, and practice associated with reforms commonly attempted in high schools and the corresponding opportunities for teacher development. Data come from a study of comprehensive school reform to illuminate the degree of fit between high school reform agendas and teachers' professional…